What is causing high Waiting for network I/O

What might be cause hight Waiting for network I/O

I took 30 seconds with the Resource Usage and the waiting is taking 50% of the time. I tried several times of the day. What can be causing this? Memsql ver: 7.0.16

What do you mean you took 30 seconds for the resource usage?

See the discussion of network_time_ms in: